Method and arrangement for mechanically moving of a magnetic field generating device in a cathode arc discharge evaporating device
CA 1301239 C · Owner: Buil, Boudewijn J.A.M. · Inventors: Boelens, Simon; Veltrop, Hans; Buil, Boudewijn J.A.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and device for mechanically moving of a magnetic field generating device in a cathode arc discharge evaporating device. To prevent grooves to occur on the cathode surface means are provided to add a further movement to the circular base movement of the magnetic field generating device by which substantially the whole surface area to be consumed is scanned by the arc spot.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.